<!DOCTYPE html>
<html style="height: 100%">
    <head>
        <meta charset="utf-8">
    </head>
    <body style="height: 100%; margin: 0">
        <div id="container" style="height: 100%"></div>
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-nightly@5.1.2-dev.20210512/dist/echarts.min.js"></script>
        <script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};

var option;

option = {
    tooltip: {
        trigger: 'item'
    },
    legend: {
        top: '5%',
        left: 'center'
    },
    series: [
        {
            name: '访问来源',
            type: 'pie',
            radius: ['40%', '70%'],
            avoidLabelOverlap: false,
            itemStyle: {
                borderRadius: 10,
                borderColor: '#fff',
                borderWidth: 2
            },
            label: {
                show: false,
                position: 'center'
            },
            emphasis: {
                label: {
                    show: true,
                    fontSize: '40',
                    fontWeight: 'bold'
                }
            },
            labelLine: {
                show: false
            },
            data: [(${datas})]
        }
    ]
};

if (option && typeof option === 'object') {
    myChart.setOption(option);
}

        </script>
    </body>
</html>
    